Providing Heat Pump Service in Cambridge Since 1964

Are you looking for an effective and green way to heat and cool your home in Cambridge? If so, a heat pump may be exactly what the HVAC contractor ordered. Quickly surging in popularity, thanks to the new compressor technology that makes them efficient in even the coldest areas, these dual-purpose systems are unmatched when it comes to carbon emissions. They’re also easy to retrofit into a home with an existing air conditioning system. If you want to learn more about how this new-age HVAC technology benefits people in the Cambridge area, T M Johnson Bros is here to help.

What is a Heat Pump?

A heat pump is an HVAC system that works similarly to a refrigerator or an air conditioner. These machines extract heat from a source—such as the air outside or geothermal energy beneath the ground—before circulating it where it is needed. Because most of the heat is transferred rather than generated, these systems are able to climatize your home much more efficiently than a typical AC unit , boiler, or furnace. Known for their ability to alternate between heating and cooling, heat pumps offer two distinct modes of operation.

• Cooling: When the weather in Cambridge heats up, your heat pump works almost identically to a standard air conditioner. Using a refrigerant, it extracts the heat from inside your home. This excess warmth is then transferred to your outdoor unit for discharge.
• Heating: When outdoor temperatures dip, the heat pump reverses its typical flow. On cold days, the outdoor unit pulls warmed air in and pulls the heat from it. This heat, through the science of refrigerant heat transfer, is then added to your system’s air stream and circulated—raising your interior temperature between 20-30 degrees.

Cambridge and the surrounding areas are great spots for ducted and ductless heat pump installation. In many cases, homeowners actually find value in making the switch. These systems work efficiently even as temperatures approach freezing, though there can be issues when the thermostat dips more than 20 degrees below freezing. But as the technology continues to improve, this issue will likely fade.